logo

CuriousTab

CuriousTab

Discussion

Home ‣ Mechanical Engineering ‣ IC Engines and Nuclear Power Plants See What Others Are Saying!
  • Question

  • The normal heptane (C7H16) is given a rating of __________ octane number.


  • Options
  • A. 0
  • B. 50
  • C. 100
  • D. 120

  • Correct Answer
  • 0 

    • More questions

    • 1. Nichrome contains more iron than Inconel.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 2. A moving mandrel is used in

    • Options
    • A. wiredrawing
    • B. tube drawing
    • C. metal cutting
    • D. forging
      • Discuss
    • 3. Which of the following is an amorphous material?

    • Options
    • A. Mica
    • B. Silver
    • C. Lead
    • D. Glass
      • Discuss
    • 4. The critical pressure ratio for initially dry saturated steam is

    • Options
    • A. 0.546
    • B. 0.577
    • C. 0.582
    • D. 0.601
      • Discuss
    • 5. Hydrogen is the __________ substance.

    • Options
    • A. lightest
    • B. heaviest
      • Discuss
    • 6. Cemented carbide tools are generally poor in shear.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 7. Hot piercing is extensively used for making bolts and nuts.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 8. A Francis turbine is an outward flow reaction turbine.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The negative acceleration is called retardation.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. When the spring of a watch is wound, it will possess

    • Options
    • A. strain energy
    • B. kinetic energy
    • C. heat energy
    • D. electrical energy
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.